From 359346a2d3ab279ebe19fd7b30df2cc53ce21d35 Mon Sep 17 00:00:00 2001
From: Pieter de Bie <pdebie@ai.rug.nl>
Date: Mon, 1 Dec 2008 15:38:40 +0100
Subject: [PATCH] DiffHighlighter: Add a binary file callback

This allows a caller to return custom code when
a file is marked as binary, such as the option
to display the file
---
 html/lib/diffHighlighter.js   | 73 +++++++++++++++++++++++------------
 html/views/history/history.js |  7 ----
 2 files changed, 48 insertions(+), 32 deletions(-)

diff --git a/html/lib/diffHighlighter.js b/html/lib/diffHighlighter.js
index a9b30cd..73dc787 100644
--- a/html/lib/diffHighlighter.js
+++ b/html/lib/diffHighlighter.js
@@ -21,46 +21,76 @@ var highlightDiff = function(diff, element, callbacks) {
 	var diffContent = "";
 	var finalContent = "";
 	var lines = content.split('\n');
+	var binary = false;
 
 	var hunk_start_line_1 = -1;
 	var hunk_start_line_2 = -1;
 
 	var header = false;
 
+	var finishContent = function()
+	{
+		finalContent += '<div class="file" id="file_index_' + (file_index - 2) + '">' +
+							'<div class="fileHeader">' + filename + '</div>';
+		if (!binary)  {
+			finalContent +=		'<div class="diffContent">' +
+								'<div class="lineno">' + line1 + "</div>" +
+								'<div class="lineno">' + line2 + "</div>" +
+								'<div class="lines">' + diffContent + "</div>" +
+							'</div>';
+		}
+		else {
+			if (callbacks["binaryFile"])
+				finalContent += callbacks["binaryFile"](filename);
+			else
+				finalContent += "<div>Binary file differs</div>";
+		}
+
+		finalContent += '</div>';
+		line1 = "";
+		line2 = "";
+		diffContent = "";
+	}
 	for (var lineno = 0; lineno < lines.length; lineno++) {
 		var l = lines[lineno];
 
 		var firstChar = l.charAt(0);
 
-		if (header) {
-			if (firstChar == "+" || firstChar == "-")
-				continue;
-		} else if (firstChar == "d") { // New file, we have to reset everything
+		// Matches "diff --git ...."
+
+		if (firstChar == "d") { // New file, we have to reset everything
 			header = true;
 
 			if (file_index++) // Finish last file
-			{
-				finalContent += '<div class="file" id="file_index_' + (file_index - 2) + '">' +
-									'<div class="fileHeader">' + filename + '</div>' +
-									'<div class="diffContent">' +
-										'<div class="lineno">' + line1 + "</div>" +
-										'<div class="lineno">' + line2 + "</div>" +
-										'<div class="lines">' + diffContent + "</div>" +
-									'</div>' +
-								'</div>';
-				line1 = "";
-				line2 = "";
-				diffContent = "";
-			}
+				finishContent();
+
+				binary = false;
 
 			if(match = l.match(/diff --git a\/(\S*)/)) {
 				filename = match[1];
 				if (callbacks["newfile"])
 					callbacks["newfile"](filename, "file_index_" + (file_index - 1));
 			}
+
 			continue;
 		}
 
+		if (header) {
+			if (firstChar == "+" || firstChar == "-")
+				continue;
+			if (firstChar == "B") // "Binary files"
+			{
+				binary = true;
+				Controller.log_("Binary file");
+			}
+
+			// Finish the header
+			if (firstChar == "@")
+				header = false;
+			else
+				continue;
+		}
+
 		if (firstChar == "+") {
 			// Highlight trailing whitespace
 			if (m = l.match(/\s+$/))
@@ -93,14 +123,7 @@ var highlightDiff = function(diff, element, callbacks) {
 		}
 	}
 
-	finalContent += '<div class="file" id="file_index_' + (file_index - 1) + '">' +
-						'<div class="fileHeader">' + filename + '</div>' +
-						'<div class="diffContent">' +
-							'<div class="lineno">' + line1 + "</div>" +
-							'<div class="lineno">' + line2 + "</div>" +
-							'<div class="lines">' + diffContent + "</div>" +
-						'</div>' +
-					'</div>';
+	finishContent();
 
 	// This takes about 7ms
 	element.innerHTML = finalContent;
diff --git a/html/views/history/history.js b/html/views/history/history.js
index cd489a4..140fa9a 100644
--- a/html/views/history/history.js
+++ b/html/views/history/history.js
@@ -33,13 +33,6 @@ var Commit = function(obj) {
 
 		this.author_date = new Date(parseInt(match[3]) * 1000);
 
-		this.files = this.raw.match(/diff --git a\/\S*/g);
-		
-		for (var i=0; i < this.files.length; i++) {
-			var match = this.files[i].match(/diff --git a\/(.*)/);
-			this.files[i] = match[1];
-		}
-
 		match = this.header.match(/\ncommitter (.*) <(.*@.*)> ([0-9].*)/);
 		this.committer_name = match[1];
 		this.committer_email = match[2];